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190 lines
5.2 KiB
190 lines
5.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver |
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* |
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* Copyright (C) 2013 Samsung Electronics Co., Ltd. |
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* |
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* Authors: Sylwester Nawrocki <[email protected]> |
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* Younghwan Joo <[email protected]> |
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*/ |
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#ifndef FIMC_ISP_H_ |
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#define FIMC_ISP_H_ |
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#include <linux/io.h> |
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#include <linux/platform_device.h> |
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#include <linux/sched.h> |
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#include <linux/spinlock.h> |
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#include <linux/types.h> |
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#include <linux/videodev2.h> |
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#include <media/media-entity.h> |
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#include <media/videobuf2-v4l2.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-mediabus.h> |
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#include <media/drv-intf/exynos-fimc.h> |
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extern int fimc_isp_debug; |
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#define isp_dbg(level, dev, fmt, arg...) \ |
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v4l2_dbg(level, fimc_isp_debug, dev, fmt, ## arg) |
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/* FIXME: revisit these constraints */ |
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#define FIMC_ISP_SINK_WIDTH_MIN (16 + 8) |
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#define FIMC_ISP_SINK_HEIGHT_MIN (12 + 8) |
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#define FIMC_ISP_SOURCE_WIDTH_MIN 8 |
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#define FIMC_ISP_SOURCE_HEIGHT_MIN 8 |
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#define FIMC_ISP_CAC_MARGIN_WIDTH 16 |
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#define FIMC_ISP_CAC_MARGIN_HEIGHT 12 |
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#define FIMC_ISP_SINK_WIDTH_MAX (4000 - 16) |
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#define FIMC_ISP_SINK_HEIGHT_MAX (4000 + 12) |
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#define FIMC_ISP_SOURCE_WIDTH_MAX 4000 |
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#define FIMC_ISP_SOURCE_HEIGHT_MAX 4000 |
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#define FIMC_ISP_NUM_FORMATS 3 |
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#define FIMC_ISP_REQ_BUFS_MIN 2 |
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#define FIMC_ISP_REQ_BUFS_MAX 32 |
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#define FIMC_ISP_SD_PAD_SINK 0 |
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#define FIMC_ISP_SD_PAD_SRC_FIFO 1 |
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#define FIMC_ISP_SD_PAD_SRC_DMA 2 |
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#define FIMC_ISP_SD_PADS_NUM 3 |
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#define FIMC_ISP_MAX_PLANES 1 |
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/** |
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* struct fimc_isp_frame - source/target frame properties |
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* @width: full image width |
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* @height: full image height |
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* @rect: crop/composition rectangle |
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*/ |
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struct fimc_isp_frame { |
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u16 width; |
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u16 height; |
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struct v4l2_rect rect; |
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}; |
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struct fimc_isp_ctrls { |
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struct v4l2_ctrl_handler handler; |
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/* Auto white balance */ |
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struct v4l2_ctrl *auto_wb; |
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/* Auto ISO control cluster */ |
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struct { |
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struct v4l2_ctrl *auto_iso; |
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struct v4l2_ctrl *iso; |
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}; |
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/* Adjust - contrast */ |
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struct v4l2_ctrl *contrast; |
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/* Adjust - saturation */ |
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struct v4l2_ctrl *saturation; |
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/* Adjust - sharpness */ |
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struct v4l2_ctrl *sharpness; |
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/* Adjust - brightness */ |
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struct v4l2_ctrl *brightness; |
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/* Adjust - hue */ |
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struct v4l2_ctrl *hue; |
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/* Auto/manual exposure */ |
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struct v4l2_ctrl *auto_exp; |
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/* Manual exposure value */ |
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struct v4l2_ctrl *exposure; |
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/* AE/AWB lock/unlock */ |
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struct v4l2_ctrl *aewb_lock; |
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/* Exposure metering mode */ |
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struct v4l2_ctrl *exp_metering; |
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/* AFC */ |
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struct v4l2_ctrl *afc; |
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/* ISP image effect */ |
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struct v4l2_ctrl *colorfx; |
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}; |
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struct isp_video_buf { |
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struct vb2_v4l2_buffer vb; |
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dma_addr_t dma_addr[FIMC_ISP_MAX_PLANES]; |
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unsigned int index; |
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}; |
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#define to_isp_video_buf(_b) container_of(_b, struct isp_video_buf, vb) |
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#define FIMC_ISP_MAX_BUFS 4 |
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/** |
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* struct fimc_is_video - fimc-is video device structure |
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* @vdev: video_device structure |
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* @type: video device type (CAPTURE/OUTPUT) |
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* @pad: video device media (sink) pad |
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* @pending_buf_q: pending buffers queue head |
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* @active_buf_q: a queue head of buffers scheduled in hardware |
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* @vb_queue: vb2 buffer queue |
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* @active_buf_count: number of video buffers scheduled in hardware |
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* @frame_count: counter of frames dequeued to user space |
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* @reqbufs_count: number of buffers requested with REQBUFS ioctl |
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* @format: current pixel format |
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*/ |
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struct fimc_is_video { |
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struct exynos_video_entity ve; |
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enum v4l2_buf_type type; |
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struct media_pad pad; |
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struct list_head pending_buf_q; |
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struct list_head active_buf_q; |
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struct vb2_queue vb_queue; |
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unsigned int reqbufs_count; |
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unsigned int buf_count; |
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unsigned int buf_mask; |
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unsigned int frame_count; |
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int streaming; |
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struct isp_video_buf *buffers[FIMC_ISP_MAX_BUFS]; |
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const struct fimc_fmt *format; |
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struct v4l2_pix_format_mplane pixfmt; |
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}; |
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/* struct fimc_isp:state bit definitions */ |
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#define ST_ISP_VID_CAP_BUF_PREP 0 |
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#define ST_ISP_VID_CAP_STREAMING 1 |
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/** |
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* struct fimc_isp - FIMC-IS ISP data structure |
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* @pdev: pointer to FIMC-IS platform device |
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* @subdev: ISP v4l2_subdev |
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* @subdev_pads: the ISP subdev media pads |
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* @test_pattern: test pattern controls |
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* @ctrls: v4l2 controls structure |
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* @video_lock: mutex serializing video device and the subdev operations |
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* @cac_margin_x: horizontal CAC margin in pixels |
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* @cac_margin_y: vertical CAC margin in pixels |
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* @state: driver state flags |
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* @video_capture: the ISP block video capture device |
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*/ |
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struct fimc_isp { |
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struct platform_device *pdev; |
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struct v4l2_subdev subdev; |
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struct media_pad subdev_pads[FIMC_ISP_SD_PADS_NUM]; |
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struct v4l2_mbus_framefmt src_fmt; |
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struct v4l2_mbus_framefmt sink_fmt; |
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struct v4l2_ctrl *test_pattern; |
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struct fimc_isp_ctrls ctrls; |
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struct mutex video_lock; |
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struct mutex subdev_lock; |
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unsigned int cac_margin_x; |
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unsigned int cac_margin_y; |
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unsigned long state; |
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struct fimc_is_video video_capture; |
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}; |
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#define ctrl_to_fimc_isp(_ctrl) \ |
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container_of(ctrl->handler, struct fimc_isp, ctrls.handler) |
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struct fimc_is; |
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int fimc_isp_subdev_create(struct fimc_isp *isp); |
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void fimc_isp_subdev_destroy(struct fimc_isp *isp); |
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void fimc_isp_irq_handler(struct fimc_is *is); |
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int fimc_is_create_controls(struct fimc_isp *isp); |
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int fimc_is_delete_controls(struct fimc_isp *isp); |
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const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat, |
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const u32 *mbus_code, int index); |
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#endif /* FIMC_ISP_H_ */
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